| US 7,594,846 B2 | ||
| Etched vent screens | ||
| Greg Sample, Newberg, Oreg. (US); Robert Gainer, Newberg, Oreg. (US); and Brian Russell, Portland, Oreg. (US) | ||
| Assigned to InFocus Corporation, Wilsonville, Oreg. (US) | ||
| Filed on Jun. 02, 2004, as Appl. No. 10/859,908. | ||
| Claims priority of provisional application 60/475353, filed on Jun. 02, 2003. | ||
| Prior Publication US 2005/0003753 A1, Jan. 06, 2005 | ||
| Int. Cl. H05K 5/00 (2006.01) | ||
| U.S. Cl. 454—184 [454/277] | 17 Claims |
| 1. A method of forming a vent screen, the method comprising:
providing a metal substrate;
applying a resist to the surface of the metal substrates to prevent etching in predetermined separator areas; and
etching the metal to form a plurality of voids, separated by separators;
wherein the separators have a width of less than 1 mm.
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